What is the coefficient of x in (x3+x2+x+1)(x4−8x3+17x2−23x+14)?
Coefficent of x= x* a constant number or a constant number *x
So there is a x and 14.So we multiply and get 14x.There is a -23x and a 1 so we multiply and get
14x+(-23x).Which equals -9x.
Hope this Helps
